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Senior ML Engineer (Applied AI)

Spain🌐 Remote💼 Full-time🗓 2026-06-25 → 2026-08-01

Core

Design, optimize, and deploy production-grade LLM applications, custom predictive analytics, and agentic workflows for client software ecosystems.

Role type

Senior IC machine-learning engineer (applied AI/LLM)

Builds

Custom AI systems and predictive analytics for brands and startups in healthcare, logistics, and fintech.

Domain

Applied AI, Natural Language Processing, Cloud Infrastructure

Deliverable

production ML models | product features

Required skills

LLM architecture and context window mechanics, agentic system design, vector database management, Python, SQL, AWS cloud infrastructure, evaluation framework design, traditional supervised/unsupervised learning

Preferred skills

Experience with Langchain/LangGraph/LlamaIndex, experience fine-tuning models, ability to translate ambiguous business requirements into technical scopes

Technologies

Transformer models, Anthropic Claude, OpenAI, AWS Bedrock, Langchain, LangGraph, LlamaIndex, Pinecone, pgvector, Milvus, Qdrant, AWS Lambda, AWS SageMaker, AWS EC2

Responsibilities

Architect and build classical ML and generative AI solutions, design evaluation frameworks for AI quality and safety, integrate AI capabilities into client web/mobile applications, optimize prompts and chunking strategies for production, clean and process data for custom algorithms, collaborate with stakeholders to demo prototypes, conduct code reviews and maintain validation patterns

Seniority

Senior, hands-on IC

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